There is a more detailed page for System Requirements.
A Note about Inklingo on Mac
Monkey and I are not Mac users (yet) and that means we will only be able to provide very limited support. For that reason, it is an especially good idea to join the Inklingo Yahoo Group, where there are friendly Mac users who may be able to help if you have questions about downloading, activating or printing on Mac.
A Note about Adobe Reader 7 or newer
Adobe Reader 7 (or higher) is required to open the downloadable collections, whether you use a PC or a Mac. If you need to update your version of Acrobat Reader, please visit www.adobe.com and download it first (free).
See more FAQ about Adobe Reader, below.
To check your version, open Reader and click Help > About Adobe Reader.